2026-06-25 14:39.17: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/pull/41/head (0e42d4c622b7b4cd629990a7dd6bceddcf46b19b) (linux-x86_64:ubuntu-22.04-5.5_opam-2.5)Base: ocaml/opam:ubuntu-22.04-ocaml-5.5@sha256:838654778875c1e3606174cf614d5dc8523408bdbf8ce386f3201c6dce92feacOpam project buildTo reproduce locally:git clone --recursive "https://github.com/backtracking/bitv.git" && cd "bitv" && git fetch origin "refs/pull/41/head" && git reset --hard 0e42d4c6cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:ubuntu-22.04-ocaml-5.5@sha256:838654778875c1e3606174cf614d5dc8523408bdbf8ce386f3201c6dce92feac# ubuntu-22.04-5.5_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opamRUN cd ~/opam-repository && (git cat-file -e 2569983dbf3e7bba6895aaa326c068232317845d || git fetch origin master) && git reset -q --hard 2569983dbf3e7bba6895aaa326c068232317845d && git log --no-decorate -n1 --onelineRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN opam update -uCOPY --chown=1000:1000 bitv.opam ./RUN opam pin add -yn bitv.dev './'RUN echo '(lang dune 3.0)' > './dune-project'ENV DEPS="base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base compiler-cloning.enabled dune.3.23.1 ocaml.5.5.0 ocaml-base-compiler.5.5.0 ocaml-compiler.5.5.0 ocaml-options-vanilla.1"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.5 --depext-only -y bitv.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-06-25 14:39.17: Using cache hint "backtracking/bitv-ocaml/opam:ubuntu-22.04-ocaml-5.5@sha256:838654778875c1e3606174cf614d5dc8523408bdbf8ce386f3201c6dce92feac-ubuntu-22.04-5.5_opam-2.5-7471f6bd78b2a920f648c9bc2e6ad35a"2026-06-25 14:39.17: Using OBuilder spec:((from ocaml/opam:ubuntu-22.04-ocaml-5.5@sha256:838654778875c1e3606174cf614d5dc8523408bdbf8ce386f3201c6dce92feac)(comment ubuntu-22.04-5.5_opam-2.5)(user (uid 1000) (gid 1000))(env CLICOLOR_FORCE 1)(env OPAMCOLOR always)(workdir /src)(run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 2569983dbf3e7bba6895aaa326c068232317845d || git fetch origin master) && git reset -q --hard 2569983dbf3e7bba6895aaa326c068232317845d && git log --no-decorate -n1 --oneline"))(run (shell "opam init --reinit -ni"))(run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))(workdir /src)(run (shell "sudo chown opam /src"))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update -u"))(copy (src bitv.opam) (dst ./))(run (network host)(shell "opam pin add -yn bitv.dev './'"))(run (shell "echo '(lang dune 3.0)' > './dune-project'"))(env DEPS "base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base compiler-cloning.enabled dune.3.23.1 ocaml.5.5.0 ocaml-base-compiler.5.5.0 ocaml-compiler.5.5.0 ocaml-options-vanilla.1")(env CI true)(env OCAMLCI true)(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y bitv.dev $DEPS"))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam install $DEPS"))(copy (src .) (dst /src))(run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")))2026-06-25 14:39.17: Waiting for resource in pool OCluster2026-06-25 15:11.11: Waiting for worker…2026-06-25 15:16.47: Got resource from pool OClusterBuilding on asteria.caelum.ci.devAll commits already cachedHEAD is now at 0e42d4c faster tanimoto implementation(from ocaml/opam:ubuntu-22.04-ocaml-5.5@sha256:838654778875c1e3606174cf614d5dc8523408bdbf8ce386f3201c6dce92feac)Unable to find image 'ocaml/opam:ubuntu-22.04-ocaml-5.5@sha256:838654778875c1e3606174cf614d5dc8523408bdbf8ce386f3201c6dce92feac' locallydocker.io/ocaml/opam@sha256:838654778875c1e3606174cf614d5dc8523408bdbf8ce386f3201c6dce92feac: Pulling from ocaml/opam40d16f30db40: Already existsbb400e179514: Already exists16d4f8ac24a4: Already exists1a574a1dc4cd: Already existsff399ac86e4e: Already exists44d18f47cece: Already exists94de7c6a24c2: Already exists68a1a9e0c368: Already exists9fd21a4f6c01: Already exists88c58a7980cf: Already existsac4382b47d63: Already exists0052de2d1ca9: Already exists03e0523f22e4: Already exists5c85abc633ac: Already exists0c5f77b637c7: Already exists227d5cec7b40: Already exists227d5cec7b40: Already exists4f4fb700ef54: Already existsbb7d2c6ebfeb: Already existsd6f4ed1d55d9: Already exists28538b3767c4: Already exists4f4fb700ef54: Already exists3a243e0f6f38: Already exists2c190991561c: Already existsfa35297ae06b: Already exists0b66b9c3a208: Already exists34b026153e43: Already exists31aab2e3ff99: Already exists434258d35c47: Already exists329c7c21a2bb: Already exists7f1dbdf843a8: Already existscbbfbcf8b2a3: Already existsd7e947e52008: Already exists6e8c89060550: Already exists2c3265b9572c: Already existsd1b5844b68dd: Already existsf5058759f2f3: Already existsc38e8383f914: Already exists4f4fb700ef54: Already exists404833de0e7e: Already existsb09bde0b4c21: Pulling fs layer019193535d89: Pulling fs layera264caa16f7c: Pulling fs layerb09bde0b4c21: Waiting184a5bd488bc: Pulling fs layer019193535d89: Waiting66010937a7e5: Pulling fs layera264caa16f7c: Waiting184a5bd488bc: Waitingdd2f2814d2a3: Pulling fs layer66010937a7e5: Waiting7bae5aadf5e0: Pulling fs layerdd2f2814d2a3: Waiting7bae5aadf5e0: Waitingb09bde0b4c21: Verifying Checksumb09bde0b4c21: Download complete019193535d89: Verifying Checksum019193535d89: Download completea264caa16f7c: Verifying Checksuma264caa16f7c: Download completeb09bde0b4c21: Pull complete019193535d89: Pull completea264caa16f7c: Pull complete184a5bd488bc: Verifying Checksum184a5bd488bc: Download complete66010937a7e5: Verifying Checksum66010937a7e5: Download completedd2f2814d2a3: Download complete7bae5aadf5e0: Download complete184a5bd488bc: Pull complete66010937a7e5: Pull completedd2f2814d2a3: Pull complete7bae5aadf5e0: Pull completeDigest: sha256:838654778875c1e3606174cf614d5dc8523408bdbf8ce386f3201c6dce92feacStatus: Downloaded newer image for ocaml/opam@sha256:838654778875c1e3606174cf614d5dc8523408bdbf8ce386f3201c6dce92feac2026-06-25 15:17.03 ---> using "f21fc65a119ced11b5c6127c0ad175b0d54b9cd60aa41c177b9f36198afb0c1a" from cache/: (comment ubuntu-22.04-5.5_opam-2.5)/: (user (uid 1000) (gid 1000))/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (workdir /src)/src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))2026-06-25 15:17.05 ---> using "9d1721bb23891ac964fd72dd69aef9818cd6231fb93ed7d8677f8ef115e147b7" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 2569983dbf3e7bba6895aaa326c068232317845d || git fetch origin master) && git reset -q --hard 2569983dbf3e7bba6895aaa326c068232317845d && git log --no-decorate -n1 --oneline"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEADb85f65c75d..ceed23f9d3 master -> origin/master2569983dbf Merge pull request #30085 from Octachron/OCaml_5.5.0_fix_relocatable_build2026-06-25 15:17.05 ---> using "e9928f28cf4ebcc2c475f3025e43d387fcd81244d5cc851e1ebf5aec219f5ff3" from cache/src: (run (shell "opam init --reinit -ni"))Configuring from /home/opam/.opamrc and then from built-in defaults.Checking for available remotes: rsync and local, git.- you won't be able to use mercurial repositories unless you install the hg command on your system.- you won't be able to use darcs repositories unless you install the darcs command on your system.This version of opam requires an update to the layout of /home/opam/.opam from version 2.1 to version 2.2, which can't be reverted.You may want to back it up before going further.Continue? [Y/n] y[NOTE] The 'jobs' option was reset, its value was 1 and its new value will vary according to the current number of cores on your machine. You can restore the fixed value using:opam option jobs=1 --globalFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repository2026-06-25 15:17.06 ---> using "ab8264874d71c66ed836cb6f6ff30f23df60d81a270bbe4b45b869a3d612bf71" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 7.0.0-22-genericThe OCaml toplevel, version 5.5.02.5.12026-06-25 15:17.07 ---> using "91d4bc6f4636d4c09da6ef6fdb442e25dc5347f8d2018ef9ad3849b6e62a2c09" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-06-25 15:17.08 ---> using "4dcba0c27d1c1b1ac7d618317d449f3d51232d53ee172396bbb6e902e0ddfd29" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update -u"))<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] no changes from git+file:///home/opam/opam-repositoryThe following actions will be performed:=== recompile 7 packages- recompile base-domains base [uses ocaml]- recompile base-effects base [uses ocaml]- recompile base-nnp base [uses base-domains]- recompile ocaml 5.5.0 [uses ocaml-base-compiler]- recompile ocaml-base-compiler 5.5.0 (pinned) [uses ocaml-compiler]- recompile ocaml-compiler 5.5.0 [upstream or system changes]- recompile opam-depext 1.2.3 [uses ocaml]=== install 1 package- install compiler-cloning enabled [required by ocaml-compiler]<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved ocaml.5.5.0 (cached)-> removed base-effects.base-> removed base-nnp.base-> removed base-domains.base-> installed compiler-cloning.enabled-> retrieved ocaml-compiler.5.5.0 (cached)-> retrieved opam-depext.1.2.3 (cached)-> removed opam-depext.1.2.3-> removed ocaml.5.5.0-> removed ocaml-base-compiler.5.5.0-> removed ocaml-compiler.5.5.0-> installed ocaml-compiler.5.5.0-> installed ocaml-base-compiler.5.5.0-> installed ocaml.5.5.0-> installed base-domains.base-> installed base-effects.base-> installed base-nnp.base-> installed opam-depext.1.2.3Done.<><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>=> opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead<><> ocaml-compiler.5.5.0 installed successfully ><><><><><><><><><><><><><><><>=> This switch had to be compiled from sources, but future switches with the 🐌same compiler version and configuration should assemble instantly.# To update the current shell environment, run: eval $(opam env)2026-06-25 15:17.09 ---> using "d6bf8011ff0c2f2d3d06810f55c7f066defe4bf66322878d86544ed298649b4b" from cache/src: (copy (src bitv.opam) (dst ./))2026-06-25 15:17.10 ---> using "452f67e0100b6cba0447f9cb8dbd2ebdcfa82513121972ee56cc1446148b6b09" from cache/src: (run (network host)(shell "opam pin add -yn bitv.dev './'"))[bitv.dev] synchronised (file:///src)bitv is now pinned to file:///src (version dev)2026-06-25 15:17.10 ---> using "569c9f8b1989c4ee66765eeffc6cab2aa1c97d194d4d4f4bde1e2cffe7f2d524" from cache/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-06-25 15:17.11 ---> using "fb4a192192147993abb01316d95fd59510b9263662b1dfdb990871ea0cf80420" from cache/src: (env DEPS "base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base compiler-cloning.enabled dune.3.23.1 ocaml.5.5.0 ocaml-base-compiler.5.5.0 ocaml-compiler.5.5.0 ocaml-options-vanilla.1")/src: (env CI true)/src: (env OCAMLCI true)/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y bitv.dev $DEPS"))+ /usr/bin/sudo "apt-get" "update"- Get:1 http://security.ubuntu.com/ubuntu jammy-security InRelease [129 kB]- Hit:2 http://archive.ubuntu.com/ubuntu jammy InRelease- Get:3 http://archive.ubuntu.com/ubuntu jammy-updates InRelease [128 kB]- Get:4 http://archive.ubuntu.com/ubuntu jammy-backports InRelease [127 kB]- Get:5 http://security.ubuntu.com/ubuntu jammy-security/main amd64 Packages [4030 kB]- Get:6 http://security.ubuntu.com/ubuntu jammy-security/universe amd64 Packages [1307 kB]- Get:7 http://security.ubuntu.com/ubuntu jammy-security/restricted amd64 Packages [7228 kB]- Get:8 http://archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages [4363 kB]- Get:9 http://archive.ubuntu.com/ubuntu jammy-updates/universe amd64 Packages [1612 kB]- Fetched 18.9 MB in 1s (18.0 MB/s)- Reading package lists...-<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[bitv.dev] synchronised (file:///src)[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).[NOTE] Package ocaml-compiler is already installed (current version is 5.5.0).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.5.0).[NOTE] Package ocaml is already installed (current version is 5.5.0).[NOTE] Package compiler-cloning is already installed (current version is enabled).[NOTE] Package base-unix is already installed (current version is base).[NOTE] Package base-threads is already installed (current version is base).[NOTE] Package base-nnp is already installed (current version is base).[NOTE] Package base-effects is already installed (current version is base).[NOTE] Package base-domains is already installed (current version is base).[NOTE] Package base-bigarray is already installed (current version is base).# To update the current shell environment, run: eval $(opam env)2026-06-25 15:17.12 ---> using "d33fbebc1ff7264ea672013f125d25c4cdeb3f6af49e2e856eb5f9c3d3f9b8dd" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam install $DEPS"))[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).[NOTE] Package ocaml-compiler is already installed (current version is 5.5.0).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.5.0).[NOTE] Package ocaml is already installed (current version is 5.5.0).[NOTE] Package compiler-cloning is already installed (current version is enabled).[NOTE] Package base-unix is already installed (current version is base).[NOTE] Package base-threads is already installed (current version is base).[NOTE] Package base-nnp is already installed (current version is base).[NOTE] Package base-effects is already installed (current version is base).[NOTE] Package base-domains is already installed (current version is base).[NOTE] Package base-bigarray is already installed (current version is base).The following actions will be performed:=== install 1 package- install dune 3.23.1<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved dune.3.23.1 (cached)-> installed dune.3.23.1Done.# To update the current shell environment, run: eval $(opam env)2026-06-25 15:17.17 ---> saved as "d38af707072d1d3a086ebe7b32390ee38592e93b0444098cac71a37756ac6a90"/src: (copy (src .) (dst /src))2026-06-25 15:17.39 ---> saved as "0f23a7c174bc6b6def26577b5d9559622ef9bb3c20e83ca4335f52ff430ad3a9"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))File "dune", line 14, characters 7-11:14 | (name test)^^^^(cd _build/default && ./test.exe)Fatal error: exception File "test.ml", line 85, characters 2-8: Assertion failed"/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 12026-06-25 15:17.56: Job failed: Failed: Build failed